LTC3586-2 LINER [Linear Technology], LTC3586-2 Datasheet - Page 5

• Manufacturer Part Number: LTC3586-2
• Description: High Efficiency USB Power Manager
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
V
SYMBOL
Switching Regulators 1, 2, 3 and 4
V
V
f
I
V
Switching Regulators 1 and 2 (Buck)
I
I
R
R
D
R
Switching Regulator 3 (Buck-Boost)
I
V
V
I
I
I
I
R
R
I
I
R
D
D
t
OSC
FB1,2,3,4
VIN1,2
LIM1,2
VIN3
LIMF3
PEAK3(BURST)
ZERO3(BURST)
MAX3(BURST)
LEAK(P)
LEAK(N)
SS3
IN1,2,3,4
OUTUVLO
FB1,2,3,4
OUT3(LOW)
OUT3(HIGH)
P1,2
N1,2
1,2
SW1,2
DS(ON)P
DS(ON)N
VOUT3
BUCK(MAX)
BOOST(MAX)
OUT4
= 5V, R
PROG
PARAMETER
Input Supply Voltage
V
V
Oscillator Frequency
FBx Input Current
V
Pulse-Skipping Mode Input Current
Burst Mode
Shutdown Input Current
PMOS Switch Current Limit
PMOS R
NMOS R
Maximum Duty Cycle
SW1,2 Pull-Down in Shutdown
Input Current
Minimum Regulated Output Voltage
Maximum Regulated Output Voltage
Forward Current Limit (Switch A)
Forward Burst Current Limit (Switch A) Burst Mode Operation
Reverse Burst Current Limit (Switch D) Burst Mode Operation
Maximum Deliverable Output Current in
Burst Mode Operation
PMOS R
NMOS R
PMOS Switch Leakage
NMOS Switch Leakage
V
Maximum Buck Duty Cycle
Maximum Boost Duty Cycle
Soft-Start Time
OUT
OUT
FBx
OUT3
= 1k, R
Servo Voltage
UVLO—V
UVLO—V
Pull-Down in Shutdown
DS(ON)
DS(ON)
DS(ON)
DS(ON)
CLPROG
®
Input Current
OUT
OUT
= 3.01k, unless otherwise noted.
Falling
Rising
A
CONDITIONS
V
Low Impedance. Switching Regulators
are Disabled in UVLO
V
I
I
I
Pulse-Skipping/Burst Mode Operation (Note 5)
PWM Mode, I
Burst Mode Operation, I
Shutdown
For Burst Mode Operation or PWM Mode
PWM Mode (Note 5)
2.7V ≤ V
(Note 8)
Switches A, D
Switches B, C
Switches A, D
Switches B, C
PWM Mode
PWM Mode
VOUT1,2
VOUT1,2
VOUT1,2
= 25°C. V
IN1,2,3,4
FB1,2,3,4
The
= 0µA, (Note 7)
= 0µA, (Note 7)
= 0µA, (Note 7)
IN3
Connected to V
= 0.85V
l
BUS
≤ 5.5V, 2.75V ≤ V
denotes the specifications which apply over the full operating
VOUT3
= 5V, BAT = 3.8V, V
= 0µA
VOUT3
OUT
Through
OUT3
= 0µA
≤ 5.5V
LTC3586-2/LTC3586-3
IN1
= V
IN2
= V
l
l
l
l
l
IN3
0.78
MIN
–50
600
100
200
–30
100
= V
2.7
2.5
1.8
5.5
50
–1
–1
2
IN4
= V
2.25
0.80
2.65
0.22
0.17
TYP
225
800
220
275
2.6
2.8
0.6
0.7
5.6
2.5
0.5
35
10
13
10
75
0
0
OUT3
= 3.8V,
1100
MAX
0.82
2.75
400
350
5.5
2.9
2.7
50
60
20
30
1
1
3
1
1
358623f
UNITS
5
MHz
mA
mA
mA
mA
ms
kΩ
kΩ
nA
µA
µA
µA
µA
µA
µA
µA
µA
%
%
%
Ω
Ω
Ω
Ω
V
V
V
V
V
V
A